Which has a bigger cup — Bach 12E or Curry 7S?

The Curry 7S has a cup diameter of 24.74 mm / 0.9740 in compared to 24.50 mm / 0.9646 in on the Bach 12E — a difference of 0.24 mm / 0.0094 in. A wider cup generally produces a fuller, darker tone but requires more air support.

Bach 12E vs Curry 7S

Name: Curry 7S
Brand: Curry

The Curry 7S has a wider cup diameter, the Curry 7S has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).

Mouthpiece A

Bach 12E

• Trombone

Cup depthShallow

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Curry 7S

• Trombone

Cup depthShallow

Best suited for

📣High-volume projection — open throat for power

Cup Depth

Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.

Which is better?

Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.

Open in interactive tool + Add third mouthpiece Bach 12E details Curry 7S details Bach 12E equivalents Curry 7S equivalents

Bach 12E vs Curry 7S

Cup Depth

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Bach 12E with others

Compare Curry 7S with others

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